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She tried to say something but couldn't regain her composure.

He tried to regain his composure but couldn't help himself.

It took a moment for her to regain enough composure to answer.

It was a long time before I could regain my composure.

Jim looked out the window as though trying to regain his composure.

She looked into the camera and began to regain her composure.

It took him a moment or two to regain his composure.

Then he seemed, with some effort, to regain his composure.

She lay still for a moment, trying to regain her composure and to figure out how to free herself.

William had to stop a moment to regain his composure.